This
automotive maintenance tutorial was specifically written to assist
owners of the third generation (2014, 2015, 2016, 2017, 2018 and
maybe also the 2019 and 2020 model years) Toyota Highlander SUV
in checking or changing a blown fuse or a faulty relay in either the
engine bay or the interior passenger compartment electrical panels.

If the thin metal strip in the middle of the
old fuse appears to be intact, the old fuse is most likely still good.
Although since fuses are so inexpensive, it should still be replaced as part
of your electrical issue troubleshooting process.

Replace the fuse puller tool on the underside
of the cover for the main engine bay fuse box.

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